Police say a woman has been killed in a knife attack at a supermarket in southern Maine.

WCSH-TV reports (http://on.wcsh6.com/1MyuQIC ) the attack happened Wednesday at a Shaw's supermarket in Saco. The station reports the 59-year-old woman was taken to a hospital with severe injuries and died later.

Police say a 31-year-old woman has been taken into custody. Officials haven't released any possible motive and haven't said whether the women knew each other.

Colin Esposito was at the store shortly after the attack. He tells WCSH he saw a purse lying on the ground next to a "massive" pool of blood near the frozen foods section.

An employee reached by telephone says store managers have no comment on what happened.

Shaw's is a division of Minneapolis-based retailer SuperValu Inc.

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Information from: WCSH-TV, http://www.wcsh6.com